
\begin{table}
\begin{center}
\begin{threeparttable}
\begin{tabular}{l c c c c}
\hline
 & M1 & M2 & M3 & M4 \\
\hline
Intercept      & $0.018^{***}$ & $0.019^{***}$ & $-0.000$    & $0.001$      \\
               & $(0.001)$     & $(0.001)$     & $(0.003)$   & $(0.003)$    \\
Negative cue   & $0.002^{*}$   & $-0.001$      & $0.002^{*}$ & $-0.001$     \\
               & $(0.001)$     & $(0.001)$     & $(0.001)$   & $(0.001)$    \\
Issue cue      & $0.001$       & $-0.002$      & $0.001$     & $-0.001$     \\
               & $(0.001)$     & $(0.001)$     & $(0.001)$   & $(0.001)$    \\
Negative*Issue &               & $0.005^{**}$  &             & $0.005^{**}$ \\
               &               & $(0.002)$     &             & $(0.002)$    \\
\hline
Covariates?    & No            & No            & Yes         & Yes          \\
R$^2$          & $0.000$       & $0.000$       & $0.031$     & $0.031$      \\
Adj. R$^2$     & $0.000$       & $0.000$       & $0.030$     & $0.031$      \\
Num. obs.      & $71952$       & $71952$       & $71952$     & $71952$      \\
\hline
\end{tabular}
\begin{tablenotes}[flushleft]
\scriptsize{\item $^{***}p<0.01$; $^{**}p<0.05$; $^{*}p<0.1$. \item Covariates include double ask, region, membership status and amount, past volunteering, fundraising and donations behaviour}
\end{tablenotes}
\end{threeparttable}
\caption{Marginal effect of political identity cues on 
 DV: Donated (=1), did not donate (=0), 7 days post-treatment}
\label{table:donor7days_reg}
\end{center}
\end{table}
